<!DOCTYPE HTML>
<html>
    <head>
        <meta charset="utf-8">
        <title>message test</title>
    </head>
    <body>
        <button id="sendMsg">sendMsg</button>
        <button onclick="top.name='xxxx'">set</button>
        <script src="../../../define.js?pro=./"></script>
        <script type="text/javascript" src="./b.js"></script>
    </body>
</html>